diff --git a/imgui.cpp b/imgui.cpp
index d809cfb..76e66d6 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -3299,8 +3299,9 @@
     g.CurrentPopupStack.resize(0);
     ClosePopupsOverWindow(g.NavWindow);
 
-    // Create implicit window - we will only render it if the user has added something to it.
+    // Create implicit/fallback window - which we will only render it if the user has added something to it.
     // We don't use "Debug" to avoid colliding with user trying to create a "Debug" window with custom flags.
+    // This fallback is particularly important as it avoid ImGui:: calls from crashing.
     SetNextWindowSize(ImVec2(400,400), ImGuiCond_FirstUseEver);
     Begin("Debug##Default");
 
@@ -4455,7 +4456,7 @@
     ImGuiWindowFlags flags = window->Flags;
     if ((flags & ImGuiWindowFlags_NoResize) || (flags & ImGuiWindowFlags_AlwaysAutoResize) || window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0)
         return;
-    if (window->WasActive == false) // Early out to avoid running this code for e.g. an hidden implicit Debug window.
+    if (window->WasActive == false) // Early out to avoid running this code for e.g. an hidden implicit/fallback Debug window.
         return;
 
     const int resize_border_count = g.IO.ConfigResizeWindowsFromEdges ? 4 : 0;
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index b71d626..1571bda 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -199,7 +199,7 @@
 
     if (show_app_metrics)             { ImGui::ShowMetricsWindow(&show_app_metrics); }
     if (show_app_style_editor)        { ImGui::Begin("Style Editor", &show_app_style_editor); ImGui::ShowStyleEditor(); ImGui::End(); }
-    if (show_app_about)               { ShowAboutWindow(&show_app_about); }
+    if (show_app_about)               { ImGui::ShowAboutWindow(&show_app_about); }
 
     // Demonstrate the various window flags. Typically you would just use the default!
     static bool no_titlebar = false;
@@ -2459,7 +2459,7 @@
 void ImGui::ShowAboutWindow(bool* p_open)
 {
     ImGui::Begin("About Dear ImGui", p_open, ImGuiWindowFlags_AlwaysAutoResize);
-    ImGui::Text("Dear ImGui, %s", ImGui::GetVersion());
+    ImGui::Text("Dear ImGui %s", ImGui::GetVersion());
     ImGui::Separator();
     ImGui::Text("By Omar Cornut and all dear imgui contributors.");
     ImGui::Text("Dear ImGui is licensed under the MIT License, see LICENSE for more information.");